LIST OF SELF-DIAGNOSTIC AND FAIL-SAFE ACTIONS
9-6
*1 Symbols used in the explanations of the malfunction history: Normal
: There is currently a malfunction or abnormal condition. : A malfunction or abnormal condition occurred prev iously, but the affected system or component
is currently operating normally.
ACTUATOR OPERATION TABLE 62 Malfunction history ( )
code No. erasure
*1
• There is no history.
• There is some history. •00
• Other: Displays the total
number of ( ) and ( ). Replace all ( ) with ( )
by the operation start pro-
cessing.
64 Setting history display • There is no history.
• There is some history.
• History is unknown (Histo-ry data is damaged). Displays the presence or ab-
sence of the setting history by
Power Tuner.
•00
•01
•02
—
65 Setting map erasure • There is no setting.
• There is some setting. Displays the presence or ab-
sence of the setting history by
Power Tuner.
•00
•01 Erase all setting maps by
the operation start process-
ing.
70 Program version number Displays a program version No.—
Diag-
nostic code No. ITEM Actuation Procedure
30 Ignition coil Actuates the ignition coil five times at one-second inter-
vals.
“WARNING” on the Yamaha
diagnostic tool blinks five
times when the ignition coil is
actuated.Check that a spark is gener-
ated five times.
• Connect an ignition
checker.
36 Injector Actuates the injector five times at one-second inter-
vals.
“WARNING” on the Yamaha
diagnostic tool blinks five
times when the injector is ac-
tuated.TIP: Before performing
this operation, be sure to
disconnect the fuel pump
coupler.
Check that injector is actu-
ated five times by listening
for the operating sound.
Diag-
nostic code No. ITEM Display Procedure
EAS1SL1380
WIRING DIAGRAM
YZ450F 2014
1. Crankshaft position sensor
2. AC magneto
3. Rectifier/regulator
4. Joint connector
5. Condenser
6. Coupler for connecting option-
al part
7. Engine stop switch
8. Neutral switch
9. ECU
10. Ignition coil
11. Spark plug
12. Injector
13. Fuel pump
14. Intake air temperature sensor
15. Coolant temperature sensor
16. Throttle position sensor
17. Intake air puressure sensorEAS1SL1381COLOR CODE
BBlack
GyGray
LBlue
LgLight green
OOrange
PPink
RRed
SbSky blue
YYellow
B/LBlack/Blue
B/RBlack/Red
B/WBlack/White
B/YBlack/Yellow
Br/WBrown/White
G/WGreen/White
P/BPink/Black
R/BRed/Black
